Overview

overview

7

Static

static

3

2026-07-28...op.exe

windows10-2004-x64

7

2026-07-28...op.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/07/2026, 04:40

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General

  • Target
    2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe
  • Size 34.4MB
  • Sample260728-fa28ysbj5x
  • SHA256 37a9f0e7dcde345ded76a29ac5e5b0cc2ff415960140c18460a24a649c8f5012
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2928
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding A13C446C1185E432D51508751DE0B7AE C
      2⤵
      • Loads dropped DLL
      PID:4668
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1736
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 16B04394FE5A331D2266E96BF821C60B
        2⤵
        • Loads dropped DLL
        • Modifies system executable filetype association
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Modifies registry class
        PID:4692
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 2DC7C32904844E7171687F7E53E36A9C E Global\MSI0000
        2⤵
        • Loads dropped DLL
        PID:1240
      • C:\Program Files\Altova\Authentic2011\Authentic.exe
        "C:\Program Files\Altova\Authentic2011\Authentic.exe" -instext
        2⤵
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3280
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5008

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e590f59.rbs
          • Path C:\Config.Msi\e590f59.rbs
          • Size 14.4MB
          • SHA256 745a50d38b8582c6d3220e6a1eda1ef22c38a25d6f0f59c7dce70beaa99620b2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI73D3.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI73D3.tmp
          • Size 849KB
          • SHA256 ce6a5c8fbba48e44a9e9512f455501d335380a3f11c13e4354b550c2bcfdb418
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          altova.gif
          • Path C:\Users\Admin\Documents\Altova\Authentic2011\AuthenticExamples\altova.gif
          • Size 2KB
          • SHA256 6d88e1d151e2f767fc1b2e4167f7f831ecc054b82fb4db8e9e2638d631d29feb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Altova Authentic 2011 sp1 (x64) Enterprise Edition.msi
          • Path C:\Windows\Downloaded Installations\{4D6CC1C9-B36D-492A-AD65-DC870B99F2DF}\Altova Authentic 2011 sp1 (x64) Enterprise Edition.msi
          • Size 34.0MB
          • SHA256 e46d7619922e5a473e449a7e8cc290aac1052b49c2a6e2e5e3d036050c2e5008
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          AltovaScriptFormEditorHost.dll
          • Path C:\Windows\assembly\GAC_MSIL\AltovaScriptFormEditorHost\2.0.0.0__d014579fdb5a69f7\AltovaScriptFormEditorHost.dll
          • Size 79KB
          • SHA256 69d81b7c800ddd6ad107051d30188ffa8ecd562e50d1356e1d9167759d7e1e0c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/4692-66-0x000001F0D8530000-0x000001F0D8612000-memory.dmp
          Download

          memory/4692-2292-0x000001F0D8110000-0x000001F0D8118000-memory.dmp
          Download

          memory/4692-2297-0x000001F0D82D0000-0x000001F0D82EA000-memory.dmp
          Download